// XAAL toolkit
// Copyright (C) 2009 Ville Karavirta <vkaravir(a)cs.hut.fi>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
package xaal.objects.animation.graphical;

import java.util.HashMap;
import java.util.Iterator;

import xaal.objects.Xaal;
import xaal.objects.animation.GraphicalOperation;
import xaal.objects.graphical.GraphicalPrimitive;

public class ScaleOperation extends GraphicalOperation {
    public ScaleOperation(Xaal xaalDoc) {
        super(xaalDoc);
    }

    private double scale = 1;
    
    public void setScale(String scale) {
        try {
            setScale(Double.parseDouble(scale));
        } catch (NumberFormatException e) {       
            // TODO common error handling
        }
    }

    public void setScale(double scale) {
        this.scale = scale;
    }

    public double getScale() {
        return scale;
    }
    
    public void apply(HashMap state) {
        Iterator i = getGraphicals();
        while (i.hasNext()) {
            GraphicalPrimitive gp = (GraphicalPrimitive) i.next();
            gp.setScale(getScale());
        }
        // TODO scaling of structures
    }
}